Welch, Miles
Current rating: 1480
Record: 11-13
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 955 | Thomas, Andrew (1447) | Won 2-0 | +171530 |
| 2sealed | 696 | Clift, Brent (1609) | Lost 0-2 | -171513 |
| 3sealed | 1084 | Bogdanov, Dennis (1591) | Won 2-0 | +201533 |
| 4sealed | 884 | Pastorinni, Luckas (1632) | Lost 1-2 | -171516 |
| 5sealed | 971 | Carley, Alex (1498) | Lost 1-2 | -181498 |
| 6sealed | 1131 | Pitcavage, Christopher (1485) | Lost 1-2 | -181480 |
| top | average opponent: 1543record: 2-4 | new rating: 1480 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 351 | Gladden, James (1500) | Won 2-1 | +181520 |
| 2sealed | 275 | Barber, Billy (1517) | Won 2-1 | +181538 |
| 3sealed | 368 | Sauls, Zac (1551) | Lost 1-2 | -181520 |
| 4sealed | 594 | Avitollo, Anthony (1668) | Won 2-1 | +211541 |
| 5sealed | 361 | Francisco, John Paul (1668) | Lost 0-2 | -161525 |
| 6sealed | 564 | Cuvelier, John (1853) | Lost 1-2 | -121513 |
| top | average opponent: 1626record: 3-3 | new rating: 1513 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Plumaj, Simon (1500) | Won 2-0 | +181541 |
| 2sealed | 205 | Tran, Viet (1460) | Won 2-0 | +161557 |
| 3sealed | 86 | Fetters, Bridger (1536) | Lost 1-2 | -181539 |
| 4sealed | 178 | Schwarzott, Christopher (1559) | Lost 0-2 | -181521 |
| 5sealed | 251 | Johnson, Eric D (1448) | Lost 1-2 | -191502 |
| top | average opponent: 1501record: 2-3 | new rating: 1502 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Stuart, Robert (1500) | Lost 1-2 | -181482 |
| 2sealed | 187 | Tran, Ke-An (1482) | Lost 0-2 | -181464 |
| 3sealed | 240 | Willms, Eric (1462) | Won 2-1 | +181482 |
| 4sealed | 262 | Sullivan, Eric J (1484) | Won 2-1 | +181500 |
| 5sealed | 162 | Gulledge, Nicholas (1468) | Won 2-1 | +171517 |
| 6sealed | 108 | Koenig, Joseph (1534) | Won 2-0 | +191536 |
| 7sealed | 125 | Fennell, Christopher (1851) | Lost 0-2 | -131523 |
| top | average opponent: 1540record: 4-3 | new rating: 1523 | ||